1
1) Cu(OH)2+H2SO4=CuSO4+2H2O
2) 2NaOH+MgCl2=2NaCl+Mg(OH)2
3) Ba(OH)2+CO2=BaCO3+H2O
2
NaOH+HCl=NaCl+H2O
1
1) Cu(OH)2+H2SO4=CuSO4+2H2O
2) 2NaOH+MgCl2=2NaCl+Mg(OH)2
3) Ba(OH)2+CO2=BaCO3+H2O
2
NaOH+HCl=NaCl+H2O