Answer
$Acids: H_2O$ and $(CH_3)_3NH^+$
$Bases: CH_3)_3N $ and $OH^-$
Work Step by Step
$ H_2O$ and $(CH_3)_3NH^+$ are acids because they give one proton $(H^+)$ in the reaction.
$ CH_3)_3N $ and $OH^-$ are bases because they receive these protons.