Answer:
1- CuSO4 + AgNO3 ....≥ Ag2SO4 + Cu(NO3)2
(double decomposition reaction)
2- CaCL2 + Mg .......≥ Ca + Mgcl2
(single replacement)
3- Combustion
5- Al2S2 .......≥ Al + S
(decomposition reaction)
6- Fe2O3 + Bacl2 ......≥ Bao + Fecl3
(double decomposition reaction)