1   2Ca(OH)2+Cl2=CaCl2+CaClO+2H2O
2   2Cs  +H2O=2CsOH +H2↑
3   Fe+CuSO4=FeSO4+Cu
4   Hg(SCN)2(加热)=Hg + (SCN)2
5   4Li+O2（点燃）=2Li2O
6   坐蛸