Leo belongs to the element of Fire and moves through life in the Fixed mode, ruled by Sun. Scorpio belongs to the element of Water and moves in the Fixed mode, ruled by Pluto.
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.
Both of you stabilize what you commit to, which is a gift for long-term trust. The same trait can become stubbornness when you disagree, so build the habit of compromise before you need it.
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.