\(CaO + {N_2}{O_5}\xrightarrow{{{t^o}}}Ca{(N{O_3})_2}\)
\(CuO + 2HCl\xrightarrow{{}}CuC{l_2} + {H_2}O\)
\(CaO + {H_2}O\xrightarrow{{}}Ca{(OH)_2}\)
\({P_2}{O_5} + 3{H_2}O\xrightarrow{{}}2{H_3}P{O_4}\)
\(S{O_3} + 2NaOH\xrightarrow{{}}N{a_2}S{O_4} + {H_2}O\)
\(2Cu + {O_2}\xrightarrow{{{t^o}}}2CuO\)
\(MgO + 2HCl\xrightarrow{{}}MgC{l_2} + {H_2}\)
\(Ca{(OH)_2} + C{O_2}\xrightarrow{{}}CaC{O_3} + {H_2}O\)
\(N{a_2}S{O_3} + {H_2}S{O_4}\xrightarrow{{}}N{a_2}S{O_4} + S{O_2} + {H_2}O\)
\(CaO + 2HN{O_3}\xrightarrow{{}}Ca{(N{O_3})_2} + {H_2}O\)
