If the answer to the question is truly easy to find, then the question should probably be downvoted because it "does not show any research effort" as well as that it quite possibly is "not useful" in increasing the corpus of knowledge on the Internet.
However, beware of the fact that just because a question is trivial to answer to you (or someone else in particular), that doesn't necessarily make it easy to answer for someone not intimitely familiar with the subject matter. Sometimes not knowing what to look for might not be able to answer the question as easily. If the question approaches the subject matter from an angle which does not lend itself well to researching through established methods, absolutely consider posting an answer as well, or at the very least a link or two to resources. That could even be something as simple as links to specific page sections on Wikipedia or similar, posted as a comment.
In general, questions often don't get voted on enough. Let's have more question voting in general, and absolutely don't forget to upvote good questions (quite possibly including questions where the OP shows that they have tried and failed to find the answer!).