How to Say "I'm going to go hiking with my friend." in Korean?

"I'm going to go hiking with my friend." in Korean is 친구하고 같이 하이킹할 거예요. (chinguhago gachi haikinghal geoyeyo)

휴가 (hyuga) - Vacation
휴가에 하와이 갈 거예요. (hyugae hawai gal geoyeyo) - I'm going to go to Hawaii on vacation.
피자 먹어요. (pija meogeoyo) - I eat pizza.
피자 먹을 거예요. (pija meogeul geoyeyo) - I'm going to eat pizza.
파인애플 피자 (painaepeul pija) - Pineapple Pizza
파인애플 피자 먹을 거예요. (painaepeul pija meogeul geoyeyo) - I'm going to eat pineapple pizza.
수박 먹어요. (subak meogeoyo) - I eat watermelon.
수박 먹을 거예요. (subak meogeul geoyeyo) - I'm going to eat watermelon.