begin{align}
    ce{CH3COOH + NaOH <=> CH3COONa + H2O} \
    ce{H2O <=> H^{+}_{(aq)} + OH^{-}_{(aq)}}
end{align}

begin{align}
    ce{CH3COOH + OH-} &rightleftharpoons ce{CH3COO- + H2O} \
    ce{H2O} &rightleftharpoons ce{H^{+}_{(aq)} + OH^{-}_{(aq)}}
end{align}