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QUESTION

# predict the products and write a balanced equation NiCl2(aq)+NaOH(aq)→−−−+−−−?

"NiCl"_2("aq)" + "NaOH(aq)"rarr"Ni(OH)"_2"(s)" + "NaOH(aq")

This is a double replacement (double displacement) reaction in which the cations and anions of the two reactants switch places. It can be represented by the following example:

AX + BYrarrAY + BX

Where A and B are cations and X and Y are anions.

We can now predict the products of this reaction.

"NiCl"_2("aq)" + "NaOH(aq)"rarr"Ni(OH)"_2"(s)" + "NaOH(aq")