Verb conjugation of "invocare" in Italian

Will you be online in 1 hour? I saw your translations and had some comments: rainbow is it 'arco iris' or one word arcoisris? Usually all words appear lower case. Sometimes it is uppercase. It all depends.
It was the first time that we were on the Italian side of the lakes. It is amazing to see how different things can be on two sides of the border. People dress and behave differently. It was a great experience. I even used words from Lesson 45.
So this is my last week here in Germany, then it's back to Italy. I'm not sure if I will return soon. But I am longing for friends and family. I will certainly return one day, that is sure.