Scorpio belongs to the element of Water and moves through life in the Fixed mode, ruled by Pluto. Sagittarius belongs to the element of Fire and moves in the Mutable mode, ruled by Jupiter.
Fire evaporates water; water cools fire. On a good day this pair is passion plus tenderness. On a hard day the fire signer feels smothered and the water signer feels burned. Honest pacing is key.
The fixed partner holds the frame; the mutable partner fills it with colour. A balanced rhythm — but the fixed partner should try not to read the mutable partner's flexibility as indifference.
One sign is active, the other receptive — the classic complementary polarity that most astrological literature treats as a natural fit. One of you leads the outward motion, the other holds the inner world.
What follows is a general read on this pair. Real compatibility depends on the whole natal chart — use the calculator linked on this page to compare two full charts when you're ready.