Em tham khảo nha:

\(\begin{array}{l}
Cu{(OH)_2} + {H_2}S{O_4} \to CuS{O_4} + 2{H_2}O\\
Cu{(OH)_2} + 2{H^ + } \to C{u^{2 + }} + 2{H_2}O\\
C{H_3}COONa + HCl \to C{H_3}COOH + NaCl\\
{H^ + } + C{H_3}CO{O^ - } \to C{H_3}COOH\\
CuS{O_4} + {K_2}S \to CuS + {K_2}S{O_4}\\
C{u^{2 + }} + {S^{2 - }} \to CuS\\
Ba{(OH)_2} + 2HN{O_3} \to Ba{(N{O_3})_2} + 2{H_2}O\\
{H^ + } + O{H^ - } \to {H_2}O\\
N{a_2}C{O_3} + Ca{(N{O_3})_2} \to CaC{O_3} + 2NaN{O_3}\\
C{a^{2 + }} + C{O_3}^{2 - } \to CaC{O_3}\\
KBr + AgN{O_3} \to AgBr + KN{O_3}\\
A{g^ + } + B{r^ - } \to AgBr\\
FeS{O_4} + 2NaOH \to Fe{(OH)_2} + N{a_2}S{O_4}\\
F{e^{2 + }} + 2O{H^ - } \to Fe{(OH)_2}\\
Fe{(OH)_3} + 3HCl \to FeC{l_3} + 3{H_2}O\\
Fe{(OH)_3} + 3{H^ + } \to F{e^{3 + }} + 3{H_2}O\\
2Al{(OH)_3} + 3{H_2}S{O_4} \to A{l_2}{(S{O_4})_3} + 6{H_2}O\\
Al{(OH)_3} + 3{H^ + } \to A{l^{3 + }} + 3{H_2}O\\
KCl + AgN{O_3} \to AgCl + KN{O_3}\\
A{g^ + } + C{l^ - } \to AgCl
\end{array}\)