If foreigners visit a friend`s home in korea, what should freigners do?

First, I will teach foreigner how to eat with chopsticks In Korea, Don`t capitalize chopstick is culture and custom. Of course, Korea use fork and spoon too. I don`t konw whether Don`t capitalize come to
learn Korean or travel Korea. Don`t capitalize chopsticks that is Capitalize or Korea custom I would like to teach for him.
Second I will take him away 경복 PALACE. 경복PALACE is one of the famous heritage sites in Seoul,Korea.
Also, Don`t capitalize is remaining a figure of Chosun. So I want to introduce outstanding history and past of Korea.