Why can't copper displace zinc from its salt solution ?

Copper is less reactive than zinc and so placed below zinc in the reactivity series of metals. A less reactive metal cannot displace a more reactive metal from its salt solution. Hence, copper cannot displace zinc from its salt solution. for example, when a piece of copper is added to zinc sulphate solution, no reaction takes place. 

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becoz it is weak than zinc and lies below zinc in the reactivity table

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bcz copper is less reactive than zinc thats why copper cant displace zinc from its salt solution 

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Because always a more reactive metal replaces a less reactive metal.

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