# What substance is produced during the reaction of an acid with a metal hydroxides?

$M {\left(O H\right)}_{2} \left(s\right) + 2 H X \left(a q\right) \rightarrow M C {l}_{2} \left(a q\right) + 2 {H}_{2} O \left(l\right)$
$H {O}^{-} + {H}_{3} {O}^{+} \rightarrow 2 {H}_{2} O \left(l\right)$