I know that most of the double displacement reactions form some kind of precipitates as their products. But do all of the double displacement reactions form precipitates? I have searched on this site as well as on Google, I've found answers, but they are not clarifying my doubts. Maybe I need a simpler explanation.

So, if you answer is yes, they all lead to precipitation, please justify.

If it's no, not all of them give precipitates, please justify with an example.


1 Answer 1


No, recall the definition of a precipitate "insoluble ionic compound". Take this reaction into consideration $$\ce{ NaOH~(s) + HCl~(l) <=> H2O~(l) + NaCl~(aq)}$$ none of the products are insoluble. You'll learn more when you go over gas evolution reactions.

  • $\begingroup$ @MARamezani Please use <=> in mhchem ;) Subscripting the state is also not encouraged any more. $\endgroup$ Apr 30, 2015 at 9:25
  • 3
    $\begingroup$ The exception cited above is a neutralization reaction, a special type of double replacement reaction $\endgroup$
    – user25727
    Feb 12, 2016 at 4:04

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