What is the difference between displacement and double displacement reactions ? Write equations for these reactions.

Explanation

In a displacement reaction, a more reactive element reacts and replaces a less reactive element from a compound.
For Ex :
`CuSO_(4)(aq)+Zn(s) to ZnSO_(4)(aq)+Cu(s)`
In a double displacement reaction, two atoms or a group of atoms switch places to form new compounds.
For ex :
`Na_(2)SO_(4)(aq)+BaCl_(2)(aq) to BaSO_(4)+2NaCl(aq)`