Question

Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:

Water.

Answer 1

Water

${\displaystyle 2Na+H_{2}O \to 2NaOH+H_2}$
${\displaystyle Mg+H_{2}O\to M{g\left(OH\right)}_2+H_2}$