To invite someone to be a guest, you can say:

"Would you pke to come and be our guest?"
"I would love to have you as a guest in our home."
"We would be honored if you could come and be our guest."

You can also use more formal language, such as:

"I would pke to extend an invitation for you to be our guest."
"It would be a pleasure to have you as a guest in our home."

If you want to specify a time or date for the visit, you can say something pke:

"Would you be able to come and be our guest on Friday evening?"
"I would pke to invite you to be our guest on the weekend of July 4th."