My guess is H20 + OH + CaBr.

This is an acid (hydrobromic acid) and a base (calcium hydroxide) which always form a salt and water in a neutralization reaction.
The salt will be calcium bromide (calcium is in group 2 so calcium bromide has the formula CaBr2)
so essentially we have
HBr + Ca(OH)2 ——> CaBr2 + H2O but this needs balancing:
2HBr(aq) + Ca(OH)2(aq) ——–> CaBr2(aq) + 2H2O(l)

2 HBr + Ca(OH)2 = CaBr2 + 2 H2O
weak acid reacts wid lime and gives out salt with water
dats acid base reaction.
Remember that + and – ions get together.

acid + base = salt + water
2 HBr + Ca(OH)2 = CaBr2 + 2 H2O

the correct answer for mastering chemistry is:


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