An examination of the work of Connie Fox and William King will lead a slate of new exhibitions opening at Guild Hall on Sunday with a special reception from 3 to 5 p.m. Serving as guest curator for “Connie Fox and William King: An Artist Couple” is Gail Levin, a professor of art history at the City University of New York, author of many books and monographs on artists, and a contributor to The East Hampton Star. She is also the author of the exhibition catalog essay and will interview Ms. Fox preceding the reception at 2 p.m.