Earth and water across an axis
Opposite signs describe two halves of one subject. Taurus holds what is its own; Scorpio deals in what is held jointly, which is why the axis covers property, debt, inheritance and shared control.
The elements cooperate. Water gives earth depth and earth gives water a container, so on the level of temperament this is a comfortable match. The physical side of the pairing is usually strong, and both parties are more interested in permanence than in variety, which removes a great many of the arguments other couples have.
Fixed against fixed
Both signs are fixed, and that is the defining fact. Fixed signs neither start easily nor stop easily, so an arrangement here tends to last well past the point at which either would have ended it alone.
It also means that a disagreement has no exit. Taurus digs in and simply outlasts; Scorpio does not concede and does not forget. There is no mutable partner present to reframe the question and no cardinal impulse to change course, so the same dispute can sit in a household for years, largely unspoken and entirely unresolved.
Venus and Mars, with Pluto behind
Taurus is ruled by Venus and Scorpio, in the traditional scheme, by Mars, which puts the two classical bodies of attraction on opposite ends of the axis. That accounts for the reputation this pairing has.
Modern practice substitutes Pluto for Scorpio, which changes the reading. Pluto against Venus is less about appetite and more about control of the shared resource. Which of the two accounts fits a given couple depends on where Mars, Venus and Pluto actually fall in the two charts.
Where it grinds
Possessiveness, from both sides, expressed differently. Taurus holds on to things and Scorpio holds on to information, and each regards the other's grip as the unreasonable one.
The second friction is the refusal to concede. Neither apologises readily and neither forgets, so a small breach is preserved intact. What ends this pairing is rarely a dramatic event; it is an accumulation of matters nobody was willing to be the first to drop.
What decides an individual case
An opposition is a description of two signs, not a prediction about two people. The population sharing this configuration is vast and includes every possible outcome, so the sun-sign level of the question does not answer it.
The Moon shows what each of them needs when tired or frightened, Venus shows how affection is given and Mars shows what happens under pressure. Mutable placements anywhere in either chart matter especially here, since they supply the flexibility neither sun provides.
Questions people ask about this
Why are opposite signs both attracted and stuck?
Opposition covers one axis from two ends, so each supplies what the other lacks. Being fixed as well means neither yields.
What does the Taurus and Scorpio axis cover?
What is owned alone against what is held jointly, which includes money, property and shared control as much as intimacy.
Do arguments resolve in this pairing?
Often they do not. Both signs hold their position, so a dispute is preserved rather than settled.
Which placements would help?
Mutable placements in either chart, and the Moon, Venus and Mars comparison, which shows how these two specifically behave.