The chemical formula of potassium hydroxide is KOH.
The chemical formula of hydrobromic acid is HBr.
The chemical formula of potassium bromide is KBr.
The chemical formula of water is H2O.
The symbolic equation for this reaction is:
[tex]KOH+HBr\rightarrow KBr+H_2O[/tex]It means that the correct answer is the first choice.