Do you recommend going to the HR when dealing with a difficult co-worker?

NoI will try to understand his opinion first and then go to his direct manager

No. There is a hierarchy in the event of such a situation and not to exceed the direct president and in the absence of a solution to the problem must go to the Department of Administrative Affairs competent in resolving staff disputes.

NO. Rather i recommend to follow the rules, in other words do not circumvent your superior. 

I recommend go to the Direct Manager