How do bases react with metals?
Depends on the metal.
Most metals will not react with bases. But others, called amphoteric metals, may form salts with them.
Aluminium will form a salt with acids, like:
But also with a base, like:
(I know I should have multiplied the whole equation by 2 to get rid of the 1.5, but the
Whether or not a metal is amphoteric depends on its place in the periodic system.