Answer :
The balanced chemical equation will be,
[tex]NiSO_3+Sn\rightarrow SnSO_3+Ni[/tex]
This reaction is a single replacement reaction.
Single replacement reaction : It is a reaction in which an element react with a compound and replace another element from the compound.
The general representation of this reaction is,
[tex]A+BC\rightarrow AC+B[/tex]
