group I metals soft and malleable
group II metals hard and malleable
therefore neither group I nor group II metals eliminated...
out of group I metals all oxides dissolve rapidly in water
out of group II metals some of the oxides dissolve reasonably in water such as barium and strontium.
however the question reads...
"what KIND of metal is x?"
therefore it is a reactive metal that has a basic soluble oxide - no further specification is possible
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